# 使用 Rust 在 Vara Network 上构建 Wasm 智能合约应用
## 5 分钟上手 dApp 开发
<address class="author">
航标 <br/>
Gear Foundation 开发者关系工程师
</address>
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# Whoami
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- 😎 Arch Linux User Repository Contributor
- 👨💻 Once an SRE at a Legal Tech Startup
- ⚙️ Validator Manager / DevRel at Gear Foundation
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Side Projects
- 🐳 [kubernot](https://github.com/kubernot/kubernot)
- 🐚 [subshell](https://github.com/subdirectory/subshell)
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# in it for the tech
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# About - Vara Network
Vara Network is a Substrate-based, Proof-of-Stake, Layer-1 decentralized network powered by the __Gear Protocol__
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# Timelines
- 1994: Smart contracts were first proposed by Nick Szabo.
- 1998: Nick Szabo invented a virtual currency called "Bit Gold".
- 2005: Linux Torvalds 发布 git
- 2008: 中本聪发布白皮书
- 2009: Bitcoin Network 启动
- 2013: Vitalik Buterin 成立 Ethereum 项目
- 2014: Gavin Wood 作为 CTO 撰写 Ethereum 黄皮书 并设计了 Solidity 语言
- 2015: WebAssembly 概念首次被提出
- 2015: Rust 1.0 发布
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# Timelines
- 2015: Gavin Wood 成立 ParityTech (原EthCore)
- 2016: Gavin Wood 发布 Polkadot 白皮书，异构多链架构
- 2017: Web3 Foundation 成立 / parity-{bitcoin,ethereum,zcash,wallet}
- 2017: WebAssembly MVP 标准发布
- 2018: Gavin Wood 发布 Substrate 框架
- 2019: ink! 智能合约语言 (eDSL) 面世
- 2020: Polkadot Network 启动
- 2021: Nikolay Volf 成立 Gear Technologies
- 2022: Gear Protocol 白皮书发布
- 2023: Vara Network 启动
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# git vs blockchain
| Git | Blockchain |
| --- | --- |
| commit | block |
| commit hash | block hash |
| committer | block author |
| previous commit | previous block |
| file | address |
| diff | transaction |
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# Smart Contract
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# About - Gear Protocol
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